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* [PATCH bpf-next] bpf: Fix build error without CONFIG_NET
@ 2019-10-18  9:03 YueHaibing
  2019-10-18 18:11 ` Yonghong Song
  2019-10-18 19:10 ` Daniel Borkmann
  0 siblings, 2 replies; 6+ messages in thread
From: YueHaibing @ 2019-10-18  9:03 UTC (permalink / raw)
  To: rostedt, mingo, ast, daniel, kafai, songliubraving, yhs, andriin
  Cc: netdev, bpf, linux-kernel, YueHaibing

If CONFIG_NET is n, building fails:

kernel/trace/bpf_trace.o: In function `raw_tp_prog_func_proto':
bpf_trace.c:(.text+0x1a34): undefined reference to `bpf_skb_output_proto'

Wrap it into a #ifdef to fix this.

Reported-by: Hulk Robot <hulkci@huawei.com>
Fixes: a7658e1a4164 ("bpf: Check types of arguments passed into helpers")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
---
 kernel/trace/bpf_trace.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/kernel/trace/bpf_trace.c b/kernel/trace/bpf_trace.c
index 52f7e9d..c324089 100644
--- a/kernel/trace/bpf_trace.c
+++ b/kernel/trace/bpf_trace.c
@@ -1055,8 +1055,10 @@ raw_tp_prog_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog)
 	switch (func_id) {
 	case BPF_FUNC_perf_event_output:
 		return &bpf_perf_event_output_proto_raw_tp;
+#ifdef CONFIG_NET
 	case BPF_FUNC_skb_output:
 		return &bpf_skb_output_proto;
+#endif
 	case BPF_FUNC_get_stackid:
 		return &bpf_get_stackid_proto_raw_tp;
 	case BPF_FUNC_get_stack:
-- 
2.7.4



^ permalink raw reply related	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2019-10-18 19:11 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2019-10-18  9:03 [PATCH bpf-next] bpf: Fix build error without CONFIG_NET YueHaibing
2019-10-18 18:11 ` Yonghong Song
2019-10-18 18:20   ` Steven Rostedt
2019-10-18 18:46     ` Daniel Borkmann
2019-10-18 18:49       ` Steven Rostedt
2019-10-18 19:10 ` Daniel Borkmann

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